Road Stream Crossing Site AUS_OS083
Au Sable River Watershed, Lost Creek (South)
Mischler Rd
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.60555
, -84.1705
T26N
R02E
Sec 34,35
Owned by Private
Perch Height: 9 ft.
Total Erosion: 3.524 tons/year
Severity: Severe
Year Inventoried: 2012
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Trash Rack
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 66 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 9 ft.
Structure Inlet
Water Depth: 6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Additional Comments
Twin culvert replaced with one large culvert.
Stream Information
Stream Flow: None
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.762 tons/year
Right Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.762 tons/year
Erosion Information
Total Erosion at Crossing: 3.524 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
These non-native species were observerd at this site: Spotted Knapweed